Periodic table

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Across
  1. 3. a gentle sheen or soft glow, especially that of a partly reflective surface.
  2. 4. They have some properties of metal and some of nonmetal
  3. 6. the periodic table is arranged in rows
  4. 7. a table of the chemical elements arranged in order of atomic number
  5. 11. Instead of writing out the name of an element
  6. 12. It is an element that lacks most of the properties of metal
  7. 14. the elements in groups 3 though 12
  8. 15. able to be hammered or pressed permanently out of shape without breaking or cracking.
  9. 16. able to be drawn out into a thin wire.
  10. 17. is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.
  11. 19. the state or power of being reactive or the degree
  12. 20. a group in the periodic table consisting of the chemical elements
Down
  1. 1. The elements in group 18
  2. 2. the process of corroding metal, stone, or other materials.
  3. 5. the mass of an atom of a chemical element expressed in atomic mass units.
  4. 8. it is the property of a material to conduct heat.
  5. 9. The elements in a column
  6. 10. they are six chemical elements in group 2 of the periodic table.
  7. 13. are substance that can conduct electric currents
  8. 18. a solid material that is typically hard, shiny